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JCB

JCB 802.7 803 804 Mini Crawler Excavator Service Repair Manual

JCB 802.7 803 804 Mini Crawler Excavator Service Repair Manual

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Machine data plateRef 182822
Brand
JCB
Equipment
Construction
Models covered
JCB 802
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your serial range? Ask us before you buy
🏷️ Basic Information
Identification
Make:
JCB
Model:
802.7, 803, 804 Mini Crawler Excavator
Model Variants:
802.7, 803, 804 (including ZTS and CTS versions where applicable)
Production Years:
Covers serial numbers and production years as detailed in the manual; typically early 2000s onwards
👋 Introduction
Market Position
Target Audience:
Technicians, mechanics, and DIY owners of JCB mini crawler excavators
Market Segment:
Compact construction equipment for light to medium excavation tasks
Competitive Analysis
Advantages:
Comprehensive coverage of three models in one manual, including detailed procedures and specifications
Key Features
Engine:
Detailed engine specifications and repair procedures for JCB diesel engines
Hydraulics:
Complete hydraulic system diagnostics and service
Electrical:
Full electrical wiring diagrams and component testing
Undercarriage:
Track and undercarriage maintenance and adjustment
📋 Manual Details
Coverage
Models Covered:
JCB 802.7, 803, 804 Mini Crawler Excavators (all variants)
Physical Attributes
Page Count:
Total pages vary; the manual is comprehensive with hundreds of pages
Manual Type:
Full service and repair manual
Language:
English
Format
File Format:
PDF
Delivery Method:
Instant download
📖 Manual Coverage
Systems
Engine:
Complete engine overhaul, tuning, and troubleshooting
Cooling System:
Radiator, cooling fan, thermostat service
Lubrication System:
Oil pump, filter, and lubrication circuit
Fuel System:
Fuel tank, pumps, injectors, and fuel lines
Electrical System:
Wiring, alternator, starter, sensors, and switches
Hydraulic System:
Pumps, valves, cylinders, hoses, and hydraulic schematics
Track and Undercarriage:
Track adjustment, sprockets, idlers, rollers, and final drives
Swing Mechanism:
Swing motor, gearbox, and swing circle
Cab and Controls:
Cab structure, control levers, pedals, and instrumentation
Procedures
Disassembly:
Step-by-step disassembly instructions with torque specs
Inspection:
Inspection criteria and wear limits
Assembly:
Detailed assembly sequences and alignment
Diagnostics:
Fault finding and diagnostic charts
Testing:
Performance tests and adjustments
Technical Depth
Level:
Comprehensive with extensive technical detail
Schematics:
Includes wiring diagrams and hydraulic schematics
Specifications:
Detailed specifications for all major components
Parts Information
Part Numbers:
OEM part numbers for ordering
Torque Specs:
Torque values for fasteners
Exploded Views:
Illustrated parts breakdowns
📊 Manual Specifications
File Format
File Type:
PDF
Compatibility:
Works on Windows, Mac, Linux, iOS, Android
Requirements:
PDF reader (e.g., Adobe Acrobat Reader)
Searchability:
Text searchable for quick lookup
Print Quality
Resolution:
High-resolution scans for clarity
Binding
Type:
Digital (no physical binding)
Paper Type:
N/A - digital PDF
⚙️ Engine Specifications
Engine Options
Standard Engine:
JCB 403 diesel engine (typical)
Optional Engine:
May include different variants depending on model and emission regulations
Performance
Power Output:
Varies by model; approximate range 10-15 kW (13-20 hp)
Displacement:
Typical range 0.8-1.2 liters
Fuel System
Type:
Direct injection diesel
Injection:
Mechanical or electronic fuel injection depending on year
🔧 Transmission
Standard
Type:
Not applicable (excavator uses hydraulic final drives)
Description:
Hydrostatic transmission via hydraulic pumps and motors
Features
Travel Speed:
Continuously variable, typical max 2-4 km/h
Drive:
Two-speed travel with auto-shift
📐 Dimensions
Exterior
Overall Length:
Varies by model; approximately 3.5-5.0 m
Overall Width:
Varies by model; approximately 1.0-1.5 m
Track Width:
Varies by model; approximately 200-300 mm
Weights
Operating Weight:
802.7: ~2.7 t; 803: ~3.2 t; 804: ~3.8 t (approx.)
🛡️ Safety Features
Ratings
Crash Test:
N/A - construction equipment not rated
Active Features
ROPS:
Roll-over protective structure (cab option)
FOPS:
Falling-object protective structure (cab option)
Passive Features
Seat Belt:
Standard seat belt
Emergency Stop:
Engine stop switch
💡 Technology Features
Infotainment
Audio System:
Radio (if equipped)
Driver Assistance
Monitoring:
Instrument panel with warning lights and gauges
🔧 Maintenance
Service Intervals
Engine Oil:
Every 250 hours or annually
Hydraulic Oil:
Every 1000 hours
Oil Filters:
Change with oil
Fuel Filter:
Every 250 hours
Air Filter:
Clean every 50 hours, replace as needed
Track Tension:
Check daily
Fluid Specifications
Engine Oil:
API CI-4 or higher, 15W-40 (typical)
Hydraulic Oil:
ISO VG 46 or 68 (see manual)
Gearbox Oil:
EP 80W-90 (typical)
Grease:
Lithium-based EP grease
Known Issues
Common Wear:
Track components (pins, bushings, sprockets)
Electrical Contacts:
Corrosion in connectors
Hydraulic Leaks:
Hose degradation
📚 Vehicle History
Brand Heritage
Manufacturer:
JCB (J.C. Bamford Excavators Ltd)
Founded:
1945
Model Evolution
Series:
Part of the JCB mini excavator range
Production Location:
Manufactured at JCB facilities in the UK and India (varies by model)
🏆 Awards & Recognition
Model Recognition
Awards:
N/A - no specific awards for this model found
Era Recognition
Industry Reputation:
JCB is widely regarded as a leading manufacturer of construction equipment

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the serial range before you buy

Manufacturers change procedures and part numbers by serial-number break. If your data plate shows a serial prefix that is not listed above, contact us with the model and serial number and we will confirm coverage before you order.

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  • Instant download PDF link on your order page and by email right after payment.
  • Secure checkout Encrypted Shopify checkout — we never see your card.
  • Print-ready PDF Searchable text, print the pages you need for the workshop.
  • Phone, tablet, PC Open it in the cab, the workshop or the office.